Pen



FIG. 1 is a perspective view of a pen showing our new design;

FIG. 2 is an exploded perspective view of the pen shown in FIG. 1;

FIG. 3 is a perspective view of the pen shown in FIG. 1 with the pen capremoved and placed on the opposite end of the pen;

FIG. 4 is a top plan view of the pen shown in FIG. 1;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a side elevation view thereof.

The stippled shading shown on a portion of the pen represents a surfacetexture.

The ornamental design for a pen, as shown and described. 